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In the protection group, the device determines the tunnel for traffic forwarding according to the
external switching command and the signal fail.
Follow these restrictions and guidelines when you create a protection group:
•
The tunnel bundle interface is up after the IP address and tunnel destination address for the
interface are configured and at least one of its member interfaces is up.
•
As a best practice, configure the same tunnel destination address for the tunnel bundle
interface and its member interfaces. If they have different tunnel destination addresses, make
sure the member interfaces have a route to the tunnel bundle interface. Otherwise, traffic
forwarding will fail.
•
The member interfaces for the tunnel bundle interface must be MPLS TE tunnel interfaces.
•
The member interfaces forward only traffic whose output interface is the tunnel bundle
interface.
To create a protection group:
Step
1.
Enter system view.
2.
Create a tunnel bundle interface in
protection switching mode, and
enter its view.
3.
Specify a primary member
interface.
4.
Specify a backup member
interface.
5.
Configure an IPv4 address for the
tunnel bundle interface.
6.
Configure the destination address
for the tunnel bundle interface.
7.
(Optional.) Configure a description
for the tunnel bundle interface.
8.
(Optional.) Set the expected
bandwidth for the tunnel bundle
interface.
9.
(Optional.) Specify a primary traffic
processing unit for the tunnel
bundle interface (distributed
devices in standalone
mode/centralized devices in IRF
mode).
10. (Optional.) Specify a primary traffic
processing unit for the tunnel
bundle interface (distributed
devices in IRF mode).
Command
system-view
interface tunnel-bundle
number protection
{ oneplusone | onetoone }
member interface tunnel
tunnel-number
member interface tunnel
tunnel-number protection
ip address ip-address { mask |
mask-length } [ sub ]
destination ip-address
description text
bandwidth bandwidth-value
service slot slot-number
service chassis
chassis-number slot
slot-number
528
Remarks
N/A
By default, no tunnel bundle
interface exists on a device.
By default, no primary member
interface is specified.
The MPLS TE tunnel for a
primary member interface is a
working tunnel.
By default, no backup member
interface is specified.
The MPLS TE tunnel for a
backup member interface is a
protection tunnel.
By default, no IPv4 address is
configured.
By default, no tunnel
destination address is
configured.
By default, the description for a
tunnel bundle interface is
Tunnel-Bundlenumber
Interface, for example,
Tunnel-Bundle1 Interface.
By default, the expected
bandwidth is 64 kbps.
By default, no primary traffic
processing unit is specified.
By default, no primary traffic
processing unit is specified.
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